Elevated Nitrate Levels Found in Millions of Americans’ Drinking Water

photo: residential drinking water sauce

Photo: Steve Johnson / Flickr

Public water systems serving more than 5.6 million Americans contain concentrations of nitrate at levels found to cause health problems, including cancer and birth defects, according to a new study published in the journal Environmental Health. Systems serving Hispanic populations tended to have the highest levels of nitrate in drinking water.

Nitrate in water originates from various sources, including fertilizers, sewage treatment systems, and … [more…]